hostroute.py

gistfile1.txt

# Copyright 2018 Kakao Corp.
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.


from oslo_log import log as logging

from neutron.agent.l3 import l3_agent_extension

from networking_kakao.agent.l3.extensions.dvr_hostroute_router \
    import DvrHostrouteRouter


LOG = logging.getLogger(__name__)


class HostrouteAgentExtension(l3_agent_extension.L3AgentCoreResourceExtension):

    def initialize(self, connection, driver_type):
        """Replace 'distributed' featured router with 'DvrHostrouteRouter'"""
        self.agent_api.register_router(['distributed'], DvrHostrouteRouter)
        LOG.info("Router 'DvrHostrouteRouter' for 'distributed' registered")

    def consume_api(self, agent_api):
        self.agent_api = agent_api

    def add_router(self, context, data):
        """Nothing to do for router hook"""
        pass

    def update_router(self, context, data):
        """Nothing to do for router hook"""
        pass

    def delete_router(self, context, data):
        """Nothing to do for router hook"""
        pass

    def ha_state_change(self, context, data):
        """Nothing to do for router hook"""
        pass